package com.zm.common.exception;

import com.zm.common.api.vo.Result;
import com.zm.common.constant.ResultCode;
import lombok.extern.slf4j.Slf4j;
import org.springframework.dao.DataIntegrityViolationException;
import org.springframework.dao.DuplicateKeyException;
import org.springframework.data.redis.connection.PoolException;
import org.springframework.web.HttpRequestMethodNotSupportedException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.multipart.MaxUploadSizeExceededException;
import org.springframework.web.servlet.NoHandlerFoundException;

/**
 * @version 1.0
 * @ ClassName ZmBootExceptionHandler
 * <p>全局异常处理类
 * @ author 王志明
 * @ Date 2020/11/11 15:03
 */
@RestControllerAdvice
@Slf4j
public class ZmBootExceptionHandler {
    /**
     * 处理自定义异常(业务异常)
     */
    @ExceptionHandler(ZmBootException.class)
    public Result<?> handleRRException(ZmBootException e){
        log.error(e.getMessage(), e);
        return Result.error(e.getMessage());
    }

    /**
     * 路径不存在异常
     */
    @ExceptionHandler(NoHandlerFoundException.class)
    public Result<?> handlerNoFoundException(Exception e) {
        log.error(e.getMessage(), e);
        return Result.error(ResultCode.PATH_NOT_EXISTED.getCode(), ResultCode.PATH_NOT_EXISTED.getMessage());
    }
    /**
     * 数据库中已存在该记录
     */
    @ExceptionHandler(DuplicateKeyException.class)
    public Result<?> handleDuplicateKeyException(DuplicateKeyException e){
        log.error(e.getMessage(), e);
        return Result.error(ResultCode.DATA_IS_EXISTED.getMessage());
    }

    /**
     * 空指针异常
     */
    @ExceptionHandler(NullPointerException.class)
    public Result<?> handleDuplicateKeyException(NullPointerException e){
        log.error(e.getMessage(), e);
        return Result.error(ResultCode.NULL_POINT_EXCEPTION.getMessage());
    }


//    @ExceptionHandler({UnauthorizedException.class, AuthorizationException.class})
//    public Result<?> handleAuthorizationException(AuthorizationException e){
//        log.error(e.getMessage(), e);
//        return Result.noauth("没有权限，请联系管理员授权");
//    }


    /**
     * 其它异常
     * @return
     */
    @ExceptionHandler(Exception.class)
    public Result<?> handleException(Exception e){
        log.error(e.getMessage(), e);
        return Result.error("操作失败，"+e.getMessage());
    }

    /**
     * 请求方式不支持
     * @return
     */
    @ExceptionHandler(HttpRequestMethodNotSupportedException.class)
    public Result<?> HttpRequestMethodNotSupportedException(HttpRequestMethodNotSupportedException e){
        StringBuffer sb = new StringBuffer();
        sb.append("不支持");
        sb.append(e.getMethod());
        sb.append("请求方法，");
        sb.append("支持以下");
        String [] methods = e.getSupportedMethods();
        if(methods!=null){
            for(String str:methods){
                sb.append(str);
                sb.append("、");
            }
        }
        log.error(sb.toString(), e);
        return Result.error(405,sb.toString());
    }

    /**
     * spring默认上传大小100MB 超出大小捕获异常MaxUploadSizeExceededException
     */
    @ExceptionHandler(MaxUploadSizeExceededException.class)
    public Result<?> handleMaxUploadSizeExceededException(MaxUploadSizeExceededException e) {
        log.error(e.getMessage(), e);
        return Result.error(ResultCode.FILE_OUTOF_LIMIT.getMessage());
    }

    /**
     * 字段太长,超出数据库字段的长度
     */
//    @ExceptionHandler(DataIntegrityViolationException.class)
//    public Result<?> handleDataIntegrityViolationException(DataIntegrityViolationException e) {
//        log.error(e.getMessage(), e);
//        return Result.error(ResultCode.DATA_TOO_LONG.getMessage());
//    }

    /**
     * Redis 连接异常!
     */
    @ExceptionHandler(PoolException.class)
    public Result<?> handlePoolException(PoolException e) {
        log.error(e.getMessage(), e);
        return Result.error(ResultCode.REDIS_TIME_OUT.getMessage());
    }
}
